Name one virus that affects plants and bacteria.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a virus that affects both plants and bacteria. We need to identify a specific virus that has this capability.

2. **Identifying Viruses**: We know that viruses are microorganisms that cannot be seen with the naked eye and are smaller than bacteria. They require a host to replicate.

3. **Virus Affecting Plants**: One well-known virus that affects plants is the Tobacco Mosaic Virus (TMV). This virus primarily infects tobacco plants but can also affect other plants.

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